Chlorpyrifos, 1000µg/ml in Hexane 1ml Back Catalog number: 81403 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677682 Indeno[1,2,3-c,d]pyrene, 100 µg/ml, Acetonitrile, Price on request 35141 Aldicarb Price on request 94852 ASTM D-5580 Daily Check Price on request